fs/ksmbd/smb2pdu.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *   Copyright (C) 2016 Namjae Jeon <[email protected]>
   4  *   Copyright (C) 2018 Samsung Electronics Co., Ltd.
   5  */
   6
   7 #ifndef _SMB2PDU_H
   8 #define _SMB2PDU_H
   9
  10 #include "ntlmssp.h"
  11 #include "smbacl.h"
  12
  13 /*
  14  * Note that, due to trying to use names similar to the protocol specifications,
  15  * there are many mixed case field names in the structures below.  Although
  16  * this does not match typical Linux kernel style, it is necessary to be
  17  * able to match against the protocol specfication.
  18  *
  19  * SMB2 commands
  20  * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
  21  * (ie no useful data other than the SMB error code itself) and are marked such.
  22  * Knowing this helps avoid response buffer allocations and copy in some cases.
  23  */
  24
  25 /* List of commands in host endian */
  26 #define SMB2_NEGOTIATE_HE       0x0000
  27 #define SMB2_SESSION_SETUP_HE   0x0001
  28 #define SMB2_LOGOFF_HE          0x0002 /* trivial request/resp */
  29 #define SMB2_TREE_CONNECT_HE    0x0003
  30 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */
  31 #define SMB2_CREATE_HE          0x0005
  32 #define SMB2_CLOSE_HE           0x0006
  33 #define SMB2_FLUSH_HE           0x0007 /* trivial resp */
  34 #define SMB2_READ_HE            0x0008
  35 #define SMB2_WRITE_HE           0x0009
  36 #define SMB2_LOCK_HE            0x000A
  37 #define SMB2_IOCTL_HE           0x000B
  38 #define SMB2_CANCEL_HE          0x000C
  39 #define SMB2_ECHO_HE            0x000D
  40 #define SMB2_QUERY_DIRECTORY_HE 0x000E
  41 #define SMB2_CHANGE_NOTIFY_HE   0x000F
  42 #define SMB2_QUERY_INFO_HE      0x0010
  43 #define SMB2_SET_INFO_HE        0x0011
  44 #define SMB2_OPLOCK_BREAK_HE    0x0012
  45
  46 /* The same list in little endian */
  47 #define SMB2_NEGOTIATE          cpu_to_le16(SMB2_NEGOTIATE_HE)
  48 #define SMB2_SESSION_SETUP      cpu_to_le16(SMB2_SESSION_SETUP_HE)
  49 #define SMB2_LOGOFF             cpu_to_le16(SMB2_LOGOFF_HE)
  50 #define SMB2_TREE_CONNECT       cpu_to_le16(SMB2_TREE_CONNECT_HE)
  51 #define SMB2_TREE_DISCONNECT    cpu_to_le16(SMB2_TREE_DISCONNECT_HE)
  52 #define SMB2_CREATE             cpu_to_le16(SMB2_CREATE_HE)
  53 #define SMB2_CLOSE              cpu_to_le16(SMB2_CLOSE_HE)
  54 #define SMB2_FLUSH              cpu_to_le16(SMB2_FLUSH_HE)
  55 #define SMB2_READ               cpu_to_le16(SMB2_READ_HE)
  56 #define SMB2_WRITE              cpu_to_le16(SMB2_WRITE_HE)
  57 #define SMB2_LOCK               cpu_to_le16(SMB2_LOCK_HE)
  58 #define SMB2_IOCTL              cpu_to_le16(SMB2_IOCTL_HE)
  59 #define SMB2_CANCEL             cpu_to_le16(SMB2_CANCEL_HE)
  60 #define SMB2_ECHO               cpu_to_le16(SMB2_ECHO_HE)
  61 #define SMB2_QUERY_DIRECTORY    cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)
  62 #define SMB2_CHANGE_NOTIFY      cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)
  63 #define SMB2_QUERY_INFO         cpu_to_le16(SMB2_QUERY_INFO_HE)
  64 #define SMB2_SET_INFO           cpu_to_le16(SMB2_SET_INFO_HE)
  65 #define SMB2_OPLOCK_BREAK       cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
  66
  67 /*Create Action Flags*/
  68 #define FILE_SUPERSEDED                0x00000000
  69 #define FILE_OPENED            0x00000001
  70 #define FILE_CREATED           0x00000002
  71 #define FILE_OVERWRITTEN       0x00000003
  72
  73 /*
  74  * Size of the session key (crypto key encrypted with the password
  75  */
  76 #define SMB2_NTLMV2_SESSKEY_SIZE        16
  77 #define SMB2_SIGNATURE_SIZE             16
  78 #define SMB2_HMACSHA256_SIZE            32
  79 #define SMB2_CMACAES_SIZE               16
  80 #define SMB3_GCM128_CRYPTKEY_SIZE       16
  81 #define SMB3_GCM256_CRYPTKEY_SIZE       32
  82
  83 /*
  84  * Size of the smb3 encryption/decryption keys
  85  */
  86 #define SMB3_ENC_DEC_KEY_SIZE           32
  87
  88 /*
  89  * Size of the smb3 signing key
  90  */
  91 #define SMB3_SIGN_KEY_SIZE              16
  92
  93 #define CIFS_CLIENT_CHALLENGE_SIZE      8
  94 #define SMB_SERVER_CHALLENGE_SIZE       8
  95
  96 /* SMB2 Max Credits */
  97 #define SMB2_MAX_CREDITS                8192
  98
  99 #define SMB2_CLIENT_GUID_SIZE           16
 100 #define SMB2_CREATE_GUID_SIZE           16
 101
 102 /* Maximum buffer size value we can send with 1 credit */
 103 #define SMB2_MAX_BUFFER_SIZE 65536
 104
 105 #define NUMBER_OF_SMB2_COMMANDS 0x0013
 106
 107 /* BB FIXME - analyze following length BB */
 108 #define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
 109
 110 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe) /* 'B''M''S' */
 111 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)
 112
 113 #define SMB21_DEFAULT_IOSIZE    (1024 * 1024)
 114 #define SMB3_DEFAULT_IOSIZE     (4 * 1024 * 1024)
 115 #define SMB3_DEFAULT_TRANS_SIZE (1024 * 1024)
 116 #define SMB3_MIN_IOSIZE (64 * 1024)
 117 #define SMB3_MAX_IOSIZE (8 * 1024 * 1024)
 118
 119 /*
 120  * SMB2 Header Definition
 121  *
 122  * "MBZ" :  Must be Zero
 123  * "BB"  :  BugBug, Something to check/review/analyze later
 124  * "PDU" :  "Protocol Data Unit" (ie a network "frame")
 125  *
 126  */
 127
 128 #define __SMB2_HEADER_STRUCTURE_SIZE    64
 129 #define SMB2_HEADER_STRUCTURE_SIZE                              \
 130         cpu_to_le16(__SMB2_HEADER_STRUCTURE_SIZE)
 131
 132 struct smb2_hdr {
 133         __be32 smb2_buf_length; /* big endian on wire */
 134                                 /*
 135                                  * length is only two or three bytes - with
 136                                  * one or two byte type preceding it that MBZ
 137                                  */
 138         __le32 ProtocolId;      /* 0xFE 'S' 'M' 'B' */
 139         __le16 StructureSize;   /* 64 */
 140         __le16 CreditCharge;    /* MBZ */
 141         __le32 Status;          /* Error from server */
 142         __le16 Command;
 143         __le16 CreditRequest;   /* CreditResponse */
 144         __le32 Flags;
 145         __le32 NextCommand;
 146         __le64 MessageId;
 147         union {
 148                 struct {
 149                         __le32 ProcessId;
 150                         __le32  TreeId;
 151                 } __packed SyncId;
 152                 __le64  AsyncId;
 153         } __packed Id;
 154         __le64  SessionId;
 155         __u8   Signature[16];
 156 } __packed;
 157
 158 struct smb2_pdu {
 159         struct smb2_hdr hdr;
 160         __le16 StructureSize2; /* size of wct area (varies, request specific) */
 161 } __packed;
 162
 163 #define SMB3_AES_CCM_NONCE 11
 164 #define SMB3_AES_GCM_NONCE 12
 165
 166 struct smb2_transform_hdr {
 167         __be32 smb2_buf_length; /* big endian on wire */
 168         /*
 169          * length is only two or three bytes - with
 170          * one or two byte type preceding it that MBZ
 171          */
 172         __le32 ProtocolId;      /* 0xFD 'S' 'M' 'B' */
 173         __u8   Signature[16];
 174         __u8   Nonce[16];
 175         __le32 OriginalMessageSize;
 176         __u16  Reserved1;
 177         __le16 Flags; /* EncryptionAlgorithm */
 178         __le64  SessionId;
 179 } __packed;
 180
 181 /*
 182  *      SMB2 flag definitions
 183  */
 184 #define SMB2_FLAGS_SERVER_TO_REDIR      cpu_to_le32(0x00000001)
 185 #define SMB2_FLAGS_ASYNC_COMMAND        cpu_to_le32(0x00000002)
 186 #define SMB2_FLAGS_RELATED_OPERATIONS   cpu_to_le32(0x00000004)
 187 #define SMB2_FLAGS_SIGNED               cpu_to_le32(0x00000008)
 188 #define SMB2_FLAGS_DFS_OPERATIONS       cpu_to_le32(0x10000000)
 189 #define SMB2_FLAGS_REPLAY_OPERATIONS    cpu_to_le32(0x20000000)
 190
 191 /*
 192  *      Definitions for SMB2 Protocol Data Units (network frames)
 193  *
 194  *  See MS-SMB2.PDF specification for protocol details.
 195  *  The Naming convention is the lower case version of the SMB2
 196  *  command code name for the struct. Note that structures must be packed.
 197  *
 198  */
 199
 200 #define SMB2_ERROR_STRUCTURE_SIZE2      9
 201 #define SMB2_ERROR_STRUCTURE_SIZE2_LE   cpu_to_le16(SMB2_ERROR_STRUCTURE_SIZE2)
 202
 203 struct smb2_err_rsp {
 204         struct smb2_hdr hdr;
 205         __le16 StructureSize;
 206         __u8   ErrorContextCount;
 207         __u8   Reserved;
 208         __le32 ByteCount;  /* even if zero, at least one byte follows */
 209         __u8   ErrorData[1];  /* variable length */
 210 } __packed;
 211
 212 struct smb2_negotiate_req {
 213         struct smb2_hdr hdr;
 214         __le16 StructureSize; /* Must be 36 */
 215         __le16 DialectCount;
 216         __le16 SecurityMode;
 217         __le16 Reserved;        /* MBZ */
 218         __le32 Capabilities;
 219         __u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
 220         /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
 221         __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
 222         __le16 NegotiateContextCount;  /* SMB3.1.1 only. MBZ earlier */
 223         __le16 Reserved2;
 224         __le16 Dialects[1]; /* One dialect (vers=) at a time for now */
 225 } __packed;
 226
 227 /* SecurityMode flags */
 228 #define SMB2_NEGOTIATE_SIGNING_ENABLED_LE       cpu_to_le16(0x0001)
 229 #define SMB2_NEGOTIATE_SIGNING_REQUIRED         0x0002
 230 #define SMB2_NEGOTIATE_SIGNING_REQUIRED_LE      cpu_to_le16(0x0002)
 231 /* Capabilities flags */
 232 #define SMB2_GLOBAL_CAP_DFS             0x00000001
 233 #define SMB2_GLOBAL_CAP_LEASING         0x00000002 /* Resp only New to SMB2.1 */
 234 #define SMB2_GLOBAL_CAP_LARGE_MTU       0X00000004 /* Resp only New to SMB2.1 */
 235 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL   0x00000008 /* New to SMB3 */
 236 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
 237 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
 238 #define SMB2_GLOBAL_CAP_ENCRYPTION      0x00000040 /* New to SMB3 */
 239 /* Internal types */
 240 #define SMB2_NT_FIND                    0x00100000
 241 #define SMB2_LARGE_FILES                0x00200000
 242
 243 #define SMB311_SALT_SIZE                        32
 244 /* Hash Algorithm Types */
 245 #define SMB2_PREAUTH_INTEGRITY_SHA512   cpu_to_le16(0x0001)
 246
 247 #define PREAUTH_HASHVALUE_SIZE          64
 248
 249 struct preauth_integrity_info {
 250         /* PreAuth integrity Hash ID */
 251         __le16                  Preauth_HashId;
 252         /* PreAuth integrity Hash Value */
 253         __u8                    Preauth_HashValue[PREAUTH_HASHVALUE_SIZE];
 254 };
 255
 256 /* offset is sizeof smb2_negotiate_rsp - 4 but rounded up to 8 bytes. */
 257 #ifdef CONFIG_SMB_SERVER_KERBEROS5
 258 /* sizeof(struct smb2_negotiate_rsp) - 4 =
 259  * header(64) + response(64) + GSS_LENGTH(96) + GSS_PADDING(0)
 260  */
 261 #define OFFSET_OF_NEG_CONTEXT   0xe0
 262 #else
 263 /* sizeof(struct smb2_negotiate_rsp) - 4 =
 264  * header(64) + response(64) + GSS_LENGTH(74) + GSS_PADDING(6)
 265  */
 266 #define OFFSET_OF_NEG_CONTEXT   0xd0
 267 #endif
 268
 269 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES     cpu_to_le16(1)
 270 #define SMB2_ENCRYPTION_CAPABILITIES            cpu_to_le16(2)
 271 #define SMB2_COMPRESSION_CAPABILITIES           cpu_to_le16(3)
 272 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID       cpu_to_le16(5)
 273 #define SMB2_SIGNING_CAPABILITIES               cpu_to_le16(8)
 274 #define SMB2_POSIX_EXTENSIONS_AVAILABLE         cpu_to_le16(0x100)
 275
 276 struct smb2_neg_context {
 277         __le16  ContextType;
 278         __le16  DataLength;
 279         __le32  Reserved;
 280         /* Followed by array of data */
 281 } __packed;
 282
 283 struct smb2_preauth_neg_context {
 284         __le16  ContextType; /* 1 */
 285         __le16  DataLength;
 286         __le32  Reserved;
 287         __le16  HashAlgorithmCount; /* 1 */
 288         __le16  SaltLength;
 289         __le16  HashAlgorithms; /* HashAlgorithms[0] since only one defined */
 290         __u8    Salt[SMB311_SALT_SIZE];
 291 } __packed;
 292
 293 /* Encryption Algorithms Ciphers */
 294 #define SMB2_ENCRYPTION_AES128_CCM      cpu_to_le16(0x0001)
 295 #define SMB2_ENCRYPTION_AES128_GCM      cpu_to_le16(0x0002)
 296 #define SMB2_ENCRYPTION_AES256_CCM      cpu_to_le16(0x0003)
 297 #define SMB2_ENCRYPTION_AES256_GCM      cpu_to_le16(0x0004)
 298
 299 struct smb2_encryption_neg_context {
 300         __le16  ContextType; /* 2 */
 301         __le16  DataLength;
 302         __le32  Reserved;
 303         /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */
 304         __le16  CipherCount; /* AES-128-GCM and AES-128-CCM by default */
 305         __le16  Ciphers[];
 306 } __packed;
 307
 308 #define SMB3_COMPRESS_NONE      cpu_to_le16(0x0000)
 309 #define SMB3_COMPRESS_LZNT1     cpu_to_le16(0x0001)
 310 #define SMB3_COMPRESS_LZ77      cpu_to_le16(0x0002)
 311 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003)
 312
 313 struct smb2_compression_ctx {
 314         __le16  ContextType; /* 3 */
 315         __le16  DataLength;
 316         __le32  Reserved;
 317         __le16  CompressionAlgorithmCount;
 318         __u16   Padding;
 319         __le32  Reserved1;
 320         __le16  CompressionAlgorithms[];
 321 } __packed;
 322
 323 #define POSIX_CTXT_DATA_LEN     16
 324 struct smb2_posix_neg_context {
 325         __le16  ContextType; /* 0x100 */
 326         __le16  DataLength;
 327         __le32  Reserved;
 328         __u8    Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */
 329 } __packed;
 330
 331 struct smb2_netname_neg_context {
 332         __le16  ContextType; /* 0x100 */
 333         __le16  DataLength;
 334         __le32  Reserved;
 335         __le16  NetName[]; /* hostname of target converted to UCS-2 */
 336 } __packed;
 337
 338 /* Signing algorithms */
 339 #define SIGNING_ALG_HMAC_SHA256         cpu_to_le16(0)
 340 #define SIGNING_ALG_AES_CMAC            cpu_to_le16(1)
 341 #define SIGNING_ALG_AES_GMAC            cpu_to_le16(2)
 342
 343 struct smb2_signing_capabilities {
 344         __le16  ContextType; /* 8 */
 345         __le16  DataLength;
 346         __le32  Reserved;
 347         __le16  SigningAlgorithmCount;
 348         __le16  SigningAlgorithms[];
 349 } __packed;
 350
 351 struct smb2_negotiate_rsp {
 352         struct smb2_hdr hdr;
 353         __le16 StructureSize;   /* Must be 65 */
 354         __le16 SecurityMode;
 355         __le16 DialectRevision;
 356         __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */
 357         __u8   ServerGUID[16];
 358         __le32 Capabilities;
 359         __le32 MaxTransactSize;
 360         __le32 MaxReadSize;
 361         __le32 MaxWriteSize;
 362         __le64 SystemTime;      /* MBZ */
 363         __le64 ServerStartTime;
 364         __le16 SecurityBufferOffset;
 365         __le16 SecurityBufferLength;
 366         __le32 NegotiateContextOffset;  /* Pre:SMB3.1.1 was reserved/ignored */
 367         __u8   Buffer[1];       /* variable length GSS security buffer */
 368 } __packed;
 369
 370 /* Flags */
 371 #define SMB2_SESSION_REQ_FLAG_BINDING           0x01
 372 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA      0x04
 373
 374 #define SMB2_SESSION_EXPIRED            (0)
 375 #define SMB2_SESSION_IN_PROGRESS        BIT(0)
 376 #define SMB2_SESSION_VALID              BIT(1)
 377
 378 /* Flags */
 379 #define SMB2_SESSION_REQ_FLAG_BINDING           0x01
 380 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA      0x04
 381
 382 struct smb2_sess_setup_req {
 383         struct smb2_hdr hdr;
 384         __le16 StructureSize; /* Must be 25 */
 385         __u8   Flags;
 386         __u8   SecurityMode;
 387         __le32 Capabilities;
 388         __le32 Channel;
 389         __le16 SecurityBufferOffset;
 390         __le16 SecurityBufferLength;
 391         __le64 PreviousSessionId;
 392         __u8   Buffer[1];       /* variable length GSS security buffer */
 393 } __packed;
 394
 395 /* Flags/Reserved for SMB3.1.1 */
 396 #define SMB2_SHAREFLAG_CLUSTER_RECONNECT        0x0001
 397
 398 /* Currently defined SessionFlags */
 399 #define SMB2_SESSION_FLAG_IS_GUEST_LE           cpu_to_le16(0x0001)
 400 #define SMB2_SESSION_FLAG_IS_NULL_LE            cpu_to_le16(0x0002)
 401 #define SMB2_SESSION_FLAG_ENCRYPT_DATA_LE       cpu_to_le16(0x0004)
 402 struct smb2_sess_setup_rsp {
 403         struct smb2_hdr hdr;
 404         __le16 StructureSize; /* Must be 9 */
 405         __le16 SessionFlags;
 406         __le16 SecurityBufferOffset;
 407         __le16 SecurityBufferLength;
 408         __u8   Buffer[1];       /* variable length GSS security buffer */
 409 } __packed;
 410
 411 struct smb2_logoff_req {
 412         struct smb2_hdr hdr;
 413         __le16 StructureSize;   /* Must be 4 */
 414         __le16 Reserved;
 415 } __packed;
 416
 417 struct smb2_logoff_rsp {
 418         struct smb2_hdr hdr;
 419         __le16 StructureSize;   /* Must be 4 */
 420         __le16 Reserved;
 421 } __packed;
 422
 423 struct smb2_tree_connect_req {
 424         struct smb2_hdr hdr;
 425         __le16 StructureSize;   /* Must be 9 */
 426         __le16 Reserved;        /* Flags in SMB3.1.1 */
 427         __le16 PathOffset;
 428         __le16 PathLength;
 429         __u8   Buffer[1];       /* variable length */
 430 } __packed;
 431
 432 struct smb2_tree_connect_rsp {
 433         struct smb2_hdr hdr;
 434         __le16 StructureSize;   /* Must be 16 */
 435         __u8   ShareType;  /* see below */
 436         __u8   Reserved;
 437         __le32 ShareFlags; /* see below */
 438         __le32 Capabilities; /* see below */
 439         __le32 MaximalAccess;
 440 } __packed;
 441
 442 /* Possible ShareType values */
 443 #define SMB2_SHARE_TYPE_DISK    0x01
 444 #define SMB2_SHARE_TYPE_PIPE    0x02
 445 #define SMB2_SHARE_TYPE_PRINT   0x03
 446
 447 /*
 448  * Possible ShareFlags - exactly one and only one of the first 4 caching flags
 449  * must be set (any of the remaining, SHI1005, flags may be set individually
 450  * or in combination.
 451  */
 452 #define SMB2_SHAREFLAG_MANUAL_CACHING                   0x00000000
 453 #define SMB2_SHAREFLAG_AUTO_CACHING                     0x00000010
 454 #define SMB2_SHAREFLAG_VDO_CACHING                      0x00000020
 455 #define SMB2_SHAREFLAG_NO_CACHING                       0x00000030
 456 #define SHI1005_FLAGS_DFS                               0x00000001
 457 #define SHI1005_FLAGS_DFS_ROOT                          0x00000002
 458 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS          0x00000100
 459 #define SHI1005_FLAGS_FORCE_SHARED_DELETE               0x00000200
 460 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING           0x00000400
 461 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM       0x00000800
 462 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK              0x00001000
 463 #define SHI1005_FLAGS_ENABLE_HASH                       0x00002000
 464
 465 /* Possible share capabilities */
 466 #define SMB2_SHARE_CAP_DFS      cpu_to_le32(0x00000008)
 467
 468 struct smb2_tree_disconnect_req {
 469         struct smb2_hdr hdr;
 470         __le16 StructureSize;   /* Must be 4 */
 471         __le16 Reserved;
 472 } __packed;
 473
 474 struct smb2_tree_disconnect_rsp {
 475         struct smb2_hdr hdr;
 476         __le16 StructureSize;   /* Must be 4 */
 477         __le16 Reserved;
 478 } __packed;
 479
 480 #define ATTR_READONLY_LE        cpu_to_le32(ATTR_READONLY)
 481 #define ATTR_HIDDEN_LE          cpu_to_le32(ATTR_HIDDEN)
 482 #define ATTR_SYSTEM_LE          cpu_to_le32(ATTR_SYSTEM)
 483 #define ATTR_DIRECTORY_LE       cpu_to_le32(ATTR_DIRECTORY)
 484 #define ATTR_ARCHIVE_LE         cpu_to_le32(ATTR_ARCHIVE)
 485 #define ATTR_NORMAL_LE          cpu_to_le32(ATTR_NORMAL)
 486 #define ATTR_TEMPORARY_LE       cpu_to_le32(ATTR_TEMPORARY)
 487 #define ATTR_SPARSE_FILE_LE     cpu_to_le32(ATTR_SPARSE)
 488 #define ATTR_REPARSE_POINT_LE   cpu_to_le32(ATTR_REPARSE)
 489 #define ATTR_COMPRESSED_LE      cpu_to_le32(ATTR_COMPRESSED)
 490 #define ATTR_OFFLINE_LE         cpu_to_le32(ATTR_OFFLINE)
 491 #define ATTR_NOT_CONTENT_INDEXED_LE     cpu_to_le32(ATTR_NOT_CONTENT_INDEXED)
 492 #define ATTR_ENCRYPTED_LE       cpu_to_le32(ATTR_ENCRYPTED)
 493 #define ATTR_INTEGRITY_STREAML_LE       cpu_to_le32(0x00008000)
 494 #define ATTR_NO_SCRUB_DATA_LE   cpu_to_le32(0x00020000)
 495 #define ATTR_MASK_LE            cpu_to_le32(0x00007FB7)
 496
 497 /* Oplock levels */
 498 #define SMB2_OPLOCK_LEVEL_NONE          0x00
 499 #define SMB2_OPLOCK_LEVEL_II            0x01
 500 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE     0x08
 501 #define SMB2_OPLOCK_LEVEL_BATCH         0x09
 502 #define SMB2_OPLOCK_LEVEL_LEASE         0xFF
 503 /* Non-spec internal type */
 504 #define SMB2_OPLOCK_LEVEL_NOCHANGE      0x99
 505
 506 /* Desired Access Flags */
 507 #define FILE_READ_DATA_LE               cpu_to_le32(0x00000001)
 508 #define FILE_LIST_DIRECTORY_LE          cpu_to_le32(0x00000001)
 509 #define FILE_WRITE_DATA_LE              cpu_to_le32(0x00000002)
 510 #define FILE_ADD_FILE_LE                cpu_to_le32(0x00000002)
 511 #define FILE_APPEND_DATA_LE             cpu_to_le32(0x00000004)
 512 #define FILE_ADD_SUBDIRECTORY_LE        cpu_to_le32(0x00000004)
 513 #define FILE_READ_EA_LE                 cpu_to_le32(0x00000008)
 514 #define FILE_WRITE_EA_LE                cpu_to_le32(0x00000010)
 515 #define FILE_EXECUTE_LE                 cpu_to_le32(0x00000020)
 516 #define FILE_TRAVERSE_LE                cpu_to_le32(0x00000020)
 517 #define FILE_DELETE_CHILD_LE            cpu_to_le32(0x00000040)
 518 #define FILE_READ_ATTRIBUTES_LE         cpu_to_le32(0x00000080)
 519 #define FILE_WRITE_ATTRIBUTES_LE        cpu_to_le32(0x00000100)
 520 #define FILE_DELETE_LE                  cpu_to_le32(0x00010000)
 521 #define FILE_READ_CONTROL_LE            cpu_to_le32(0x00020000)
 522 #define FILE_WRITE_DAC_LE               cpu_to_le32(0x00040000)
 523 #define FILE_WRITE_OWNER_LE             cpu_to_le32(0x00080000)
 524 #define FILE_SYNCHRONIZE_LE             cpu_to_le32(0x00100000)
 525 #define FILE_ACCESS_SYSTEM_SECURITY_LE  cpu_to_le32(0x01000000)
 526 #define FILE_MAXIMAL_ACCESS_LE          cpu_to_le32(0x02000000)
 527 #define FILE_GENERIC_ALL_LE             cpu_to_le32(0x10000000)
 528 #define FILE_GENERIC_EXECUTE_LE         cpu_to_le32(0x20000000)
 529 #define FILE_GENERIC_WRITE_LE           cpu_to_le32(0x40000000)
 530 #define FILE_GENERIC_READ_LE            cpu_to_le32(0x80000000)
 531 #define DESIRED_ACCESS_MASK             cpu_to_le32(0xF21F01FF)
 532
 533 /* ShareAccess Flags */
 534 #define FILE_SHARE_READ_LE              cpu_to_le32(0x00000001)
 535 #define FILE_SHARE_WRITE_LE             cpu_to_le32(0x00000002)
 536 #define FILE_SHARE_DELETE_LE            cpu_to_le32(0x00000004)
 537 #define FILE_SHARE_ALL_LE               cpu_to_le32(0x00000007)
 538
 539 /* CreateDisposition Flags */
 540 #define FILE_SUPERSEDE_LE               cpu_to_le32(0x00000000)
 541 #define FILE_OPEN_LE                    cpu_to_le32(0x00000001)
 542 #define FILE_CREATE_LE                  cpu_to_le32(0x00000002)
 543 #define FILE_OPEN_IF_LE                 cpu_to_le32(0x00000003)
 544 #define FILE_OVERWRITE_LE               cpu_to_le32(0x00000004)
 545 #define FILE_OVERWRITE_IF_LE            cpu_to_le32(0x00000005)
 546 #define FILE_CREATE_MASK_LE             cpu_to_le32(0x00000007)
 547
 548 #define FILE_READ_DESIRED_ACCESS_LE     (FILE_READ_DATA_LE |            \
 549                                         FILE_READ_EA_LE |               \
 550                                         FILE_GENERIC_READ_LE)
 551 #define FILE_WRITE_DESIRE_ACCESS_LE     (FILE_WRITE_DATA_LE |           \
 552                                         FILE_APPEND_DATA_LE |           \
 553                                         FILE_WRITE_EA_LE |              \
 554                                         FILE_WRITE_ATTRIBUTES_LE |      \
 555                                         FILE_GENERIC_WRITE_LE)
 556
 557 /* Impersonation Levels */
 558 #define IL_ANONYMOUS_LE         cpu_to_le32(0x00000000)
 559 #define IL_IDENTIFICATION_LE    cpu_to_le32(0x00000001)
 560 #define IL_IMPERSONATION_LE     cpu_to_le32(0x00000002)
 561 #define IL_DELEGATE_LE          cpu_to_le32(0x00000003)
 562
 563 /* Create Context Values */
 564 #define SMB2_CREATE_EA_BUFFER                   "ExtA" /* extended attributes */
 565 #define SMB2_CREATE_SD_BUFFER                   "SecD" /* security descriptor */
 566 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST      "DHnQ"
 567 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT    "DHnC"
 568 #define SMB2_CREATE_ALLOCATION_SIZE             "AlSi"
 569 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
 570 #define SMB2_CREATE_TIMEWARP_REQUEST            "TWrp"
 571 #define SMB2_CREATE_QUERY_ON_DISK_ID            "QFid"
 572 #define SMB2_CREATE_REQUEST_LEASE               "RqLs"
 573 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2   "DH2Q"
 574 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
 575 #define SMB2_CREATE_APP_INSTANCE_ID     "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74"
 576  #define SMB2_CREATE_APP_INSTANCE_VERSION       "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10"
 577 #define SVHDX_OPEN_DEVICE_CONTEXT       0x83CE6F1AD851E0986E34401CC9BCFCE9
 578 #define SMB2_CREATE_TAG_POSIX           "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C"
 579
 580 struct smb2_create_req {
 581         struct smb2_hdr hdr;
 582         __le16 StructureSize;   /* Must be 57 */
 583         __u8   SecurityFlags;
 584         __u8   RequestedOplockLevel;
 585         __le32 ImpersonationLevel;
 586         __le64 SmbCreateFlags;
 587         __le64 Reserved;
 588         __le32 DesiredAccess;
 589         __le32 FileAttributes;
 590         __le32 ShareAccess;
 591         __le32 CreateDisposition;
 592         __le32 CreateOptions;
 593         __le16 NameOffset;
 594         __le16 NameLength;
 595         __le32 CreateContextsOffset;
 596         __le32 CreateContextsLength;
 597         __u8   Buffer[0];
 598 } __packed;
 599
 600 struct smb2_create_rsp {
 601         struct smb2_hdr hdr;
 602         __le16 StructureSize;   /* Must be 89 */
 603         __u8   OplockLevel;
 604         __u8   Reserved;
 605         __le32 CreateAction;
 606         __le64 CreationTime;
 607         __le64 LastAccessTime;
 608         __le64 LastWriteTime;
 609         __le64 ChangeTime;
 610         __le64 AllocationSize;
 611         __le64 EndofFile;
 612         __le32 FileAttributes;
 613         __le32 Reserved2;
 614         __le64  PersistentFileId;
 615         __le64  VolatileFileId;
 616         __le32 CreateContextsOffset;
 617         __le32 CreateContextsLength;
 618         __u8   Buffer[1];
 619 } __packed;
 620
 621 struct create_context {
 622         __le32 Next;
 623         __le16 NameOffset;
 624         __le16 NameLength;
 625         __le16 Reserved;
 626         __le16 DataOffset;
 627         __le32 DataLength;
 628         __u8 Buffer[0];
 629 } __packed;
 630
 631 struct create_durable_req_v2 {
 632         struct create_context ccontext;
 633         __u8   Name[8];
 634         __le32 Timeout;
 635         __le32 Flags;
 636         __u8 Reserved[8];
 637         __u8 CreateGuid[16];
 638 } __packed;
 639
 640 struct create_durable_reconn_req {
 641         struct create_context ccontext;
 642         __u8   Name[8];
 643         union {
 644                 __u8  Reserved[16];
 645                 struct {
 646                         __le64 PersistentFileId;
 647                         __le64 VolatileFileId;
 648                 } Fid;
 649         } Data;
 650 } __packed;
 651
 652 struct create_durable_reconn_v2_req {
 653         struct create_context ccontext;
 654         __u8   Name[8];
 655         struct {
 656                 __le64 PersistentFileId;
 657                 __le64 VolatileFileId;
 658         } Fid;
 659         __u8 CreateGuid[16];
 660         __le32 Flags;
 661 } __packed;
 662
 663 struct create_app_inst_id {
 664         struct create_context ccontext;
 665         __u8 Name[8];
 666         __u8 Reserved[8];
 667         __u8 AppInstanceId[16];
 668 } __packed;
 669
 670 struct create_app_inst_id_vers {
 671         struct create_context ccontext;
 672         __u8 Name[8];
 673         __u8 Reserved[2];
 674         __u8 Padding[4];
 675         __le64 AppInstanceVersionHigh;
 676         __le64 AppInstanceVersionLow;
 677 } __packed;
 678
 679 struct create_mxac_req {
 680         struct create_context ccontext;
 681         __u8   Name[8];
 682         __le64 Timestamp;
 683 } __packed;
 684
 685 struct create_alloc_size_req {
 686         struct create_context ccontext;
 687         __u8   Name[8];
 688         __le64 AllocationSize;
 689 } __packed;
 690
 691 struct create_posix {
 692         struct create_context ccontext;
 693         __u8    Name[16];
 694         __le32  Mode;
 695         __u32   Reserved;
 696 } __packed;
 697
 698 struct create_durable_rsp {
 699         struct create_context ccontext;
 700         __u8   Name[8];
 701         union {
 702                 __u8  Reserved[8];
 703                 __u64 data;
 704         } Data;
 705 } __packed;
 706
 707 struct create_durable_v2_rsp {
 708         struct create_context ccontext;
 709         __u8   Name[8];
 710         __le32 Timeout;
 711         __le32 Flags;
 712 } __packed;
 713
 714 struct create_mxac_rsp {
 715         struct create_context ccontext;
 716         __u8   Name[8];
 717         __le32 QueryStatus;
 718         __le32 MaximalAccess;
 719 } __packed;
 720
 721 struct create_disk_id_rsp {
 722         struct create_context ccontext;
 723         __u8   Name[8];
 724         __le64 DiskFileId;
 725         __le64 VolumeId;
 726         __u8  Reserved[16];
 727 } __packed;
 728
 729 /* equivalent of the contents of SMB3.1.1 POSIX open context response */
 730 struct create_posix_rsp {
 731         struct create_context ccontext;
 732         __u8    Name[16];
 733         __le32 nlink;
 734         __le32 reparse_tag;
 735         __le32 mode;
 736         u8 SidBuffer[40];
 737 } __packed;
 738
 739 #define SMB2_LEASE_NONE_LE                      cpu_to_le32(0x00)
 740 #define SMB2_LEASE_READ_CACHING_LE              cpu_to_le32(0x01)
 741 #define SMB2_LEASE_HANDLE_CACHING_LE            cpu_to_le32(0x02)
 742 #define SMB2_LEASE_WRITE_CACHING_LE             cpu_to_le32(0x04)
 743
 744 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE    cpu_to_le32(0x02)
 745
 746 struct lease_context {
 747         __le64 LeaseKeyLow;
 748         __le64 LeaseKeyHigh;
 749         __le32 LeaseState;
 750         __le32 LeaseFlags;
 751         __le64 LeaseDuration;
 752 } __packed;
 753
 754 struct lease_context_v2 {
 755         __le64 LeaseKeyLow;
 756         __le64 LeaseKeyHigh;
 757         __le32 LeaseState;
 758         __le32 LeaseFlags;
 759         __le64 LeaseDuration;
 760         __le64 ParentLeaseKeyLow;
 761         __le64 ParentLeaseKeyHigh;
 762         __le16 Epoch;
 763         __le16 Reserved;
 764 } __packed;
 765
 766 struct create_lease {
 767         struct create_context ccontext;
 768         __u8   Name[8];
 769         struct lease_context lcontext;
 770 } __packed;
 771
 772 struct create_lease_v2 {
 773         struct create_context ccontext;
 774         __u8   Name[8];
 775         struct lease_context_v2 lcontext;
 776         __u8   Pad[4];
 777 } __packed;
 778
 779 /* Currently defined values for close flags */
 780 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB        cpu_to_le16(0x0001)
 781 struct smb2_close_req {
 782         struct smb2_hdr hdr;
 783         __le16 StructureSize;   /* Must be 24 */
 784         __le16 Flags;
 785         __le32 Reserved;
 786         __le64  PersistentFileId;
 787         __le64  VolatileFileId;
 788 } __packed;
 789
 790 struct smb2_close_rsp {
 791         struct smb2_hdr hdr;
 792         __le16 StructureSize; /* 60 */
 793         __le16 Flags;
 794         __le32 Reserved;
 795         __le64 CreationTime;
 796         __le64 LastAccessTime;
 797         __le64 LastWriteTime;
 798         __le64 ChangeTime;
 799         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
 800         __le64 EndOfFile;
 801         __le32 Attributes;
 802 } __packed;
 803
 804 struct smb2_flush_req {
 805         struct smb2_hdr hdr;
 806         __le16 StructureSize;   /* Must be 24 */
 807         __le16 Reserved1;
 808         __le32 Reserved2;
 809         __le64  PersistentFileId;
 810         __le64  VolatileFileId;
 811 } __packed;
 812
 813 struct smb2_flush_rsp {
 814         struct smb2_hdr hdr;
 815         __le16 StructureSize;
 816         __le16 Reserved;
 817 } __packed;
 818
 819 struct smb2_buffer_desc_v1 {
 820         __le64 offset;
 821         __le32 token;
 822         __le32 length;
 823 } __packed;
 824
 825 #define SMB2_CHANNEL_NONE               cpu_to_le32(0x00000000)
 826 #define SMB2_CHANNEL_RDMA_V1            cpu_to_le32(0x00000001)
 827 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002)
 828
 829 struct smb2_read_req {
 830         struct smb2_hdr hdr;
 831         __le16 StructureSize; /* Must be 49 */
 832         __u8   Padding; /* offset from start of SMB2 header to place read */
 833         __u8   Reserved;
 834         __le32 Length;
 835         __le64 Offset;
 836         __le64  PersistentFileId;
 837         __le64  VolatileFileId;
 838         __le32 MinimumCount;
 839         __le32 Channel; /* Reserved MBZ */
 840         __le32 RemainingBytes;
 841         __le16 ReadChannelInfoOffset; /* Reserved MBZ */
 842         __le16 ReadChannelInfoLength; /* Reserved MBZ */
 843         __u8   Buffer[1];
 844 } __packed;
 845
 846 struct smb2_read_rsp {
 847         struct smb2_hdr hdr;
 848         __le16 StructureSize; /* Must be 17 */
 849         __u8   DataOffset;
 850         __u8   Reserved;
 851         __le32 DataLength;
 852         __le32 DataRemaining;
 853         __u32  Reserved2;
 854         __u8   Buffer[1];
 855 } __packed;
 856
 857 /* For write request Flags field below the following flag is defined: */
 858 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001
 859
 860 struct smb2_write_req {
 861         struct smb2_hdr hdr;
 862         __le16 StructureSize; /* Must be 49 */
 863         __le16 DataOffset; /* offset from start of SMB2 header to write data */
 864         __le32 Length;
 865         __le64 Offset;
 866         __le64  PersistentFileId;
 867         __le64  VolatileFileId;
 868         __le32 Channel; /* Reserved MBZ */
 869         __le32 RemainingBytes;
 870         __le16 WriteChannelInfoOffset; /* Reserved MBZ */
 871         __le16 WriteChannelInfoLength; /* Reserved MBZ */
 872         __le32 Flags;
 873         __u8   Buffer[1];
 874 } __packed;
 875
 876 struct smb2_write_rsp {
 877         struct smb2_hdr hdr;
 878         __le16 StructureSize; /* Must be 17 */
 879         __u8   DataOffset;
 880         __u8   Reserved;
 881         __le32 DataLength;
 882         __le32 DataRemaining;
 883         __u32  Reserved2;
 884         __u8   Buffer[1];
 885 } __packed;
 886
 887 #define SMB2_0_IOCTL_IS_FSCTL 0x00000001
 888
 889 struct duplicate_extents_to_file {
 890         __u64 PersistentFileHandle; /* source file handle, opaque endianness */
 891         __u64 VolatileFileHandle;
 892         __le64 SourceFileOffset;
 893         __le64 TargetFileOffset;
 894         __le64 ByteCount;  /* Bytes to be copied */
 895 } __packed;
 896
 897 struct smb2_ioctl_req {
 898         struct smb2_hdr hdr;
 899         __le16 StructureSize; /* Must be 57 */
 900         __le16 Reserved; /* offset from start of SMB2 header to write data */
 901         __le32 CntCode;
 902         __le64  PersistentFileId;
 903         __le64  VolatileFileId;
 904         __le32 InputOffset; /* Reserved MBZ */
 905         __le32 InputCount;
 906         __le32 MaxInputResponse;
 907         __le32 OutputOffset;
 908         __le32 OutputCount;
 909         __le32 MaxOutputResponse;
 910         __le32 Flags;
 911         __le32 Reserved2;
 912         __u8   Buffer[1];
 913 } __packed;
 914
 915 struct smb2_ioctl_rsp {
 916         struct smb2_hdr hdr;
 917         __le16 StructureSize; /* Must be 49 */
 918         __le16 Reserved; /* offset from start of SMB2 header to write data */
 919         __le32 CntCode;
 920         __le64  PersistentFileId;
 921         __le64  VolatileFileId;
 922         __le32 InputOffset; /* Reserved MBZ */
 923         __le32 InputCount;
 924         __le32 OutputOffset;
 925         __le32 OutputCount;
 926         __le32 Flags;
 927         __le32 Reserved2;
 928         __u8   Buffer[1];
 929 } __packed;
 930
 931 struct validate_negotiate_info_req {
 932         __le32 Capabilities;
 933         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
 934         __le16 SecurityMode;
 935         __le16 DialectCount;
 936         __le16 Dialects[1]; /* dialect (someday maybe list) client asked for */
 937 } __packed;
 938
 939 struct validate_negotiate_info_rsp {
 940         __le32 Capabilities;
 941         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
 942         __le16 SecurityMode;
 943         __le16 Dialect; /* Dialect in use for the connection */
 944 } __packed;
 945
 946 struct smb_sockaddr_in {
 947         __be16 Port;
 948         __be32 IPv4address;
 949         __u8 Reserved[8];
 950 } __packed;
 951
 952 struct smb_sockaddr_in6 {
 953         __be16 Port;
 954         __be32 FlowInfo;
 955         __u8 IPv6address[16];
 956         __be32 ScopeId;
 957 } __packed;
 958
 959 #define INTERNETWORK    0x0002
 960 #define INTERNETWORKV6  0x0017
 961
 962 struct sockaddr_storage_rsp {
 963         __le16 Family;
 964         union {
 965                 struct smb_sockaddr_in addr4;
 966                 struct smb_sockaddr_in6 addr6;
 967         };
 968 } __packed;
 969
 970 #define RSS_CAPABLE     0x00000001
 971 #define RDMA_CAPABLE    0x00000002
 972
 973 struct network_interface_info_ioctl_rsp {
 974         __le32 Next; /* next interface. zero if this is last one */
 975         __le32 IfIndex;
 976         __le32 Capability; /* RSS or RDMA Capable */
 977         __le32 Reserved;
 978         __le64 LinkSpeed;
 979         char    SockAddr_Storage[128];
 980 } __packed;
 981
 982 struct file_object_buf_type1_ioctl_rsp {
 983         __u8 ObjectId[16];
 984         __u8 BirthVolumeId[16];
 985         __u8 BirthObjectId[16];
 986         __u8 DomainId[16];
 987 } __packed;
 988
 989 struct resume_key_ioctl_rsp {
 990         __le64 ResumeKey[3];
 991         __le32 ContextLength;
 992         __u8 Context[4]; /* ignored, Windows sets to 4 bytes of zero */
 993 } __packed;
 994
 995 struct copychunk_ioctl_req {
 996         __le64 ResumeKey[3];
 997         __le32 ChunkCount;
 998         __le32 Reserved;
 999         __u8 Chunks[1]; /* array of srv_copychunk */
1000 } __packed;
1001
1002 struct srv_copychunk {
1003         __le64 SourceOffset;
1004         __le64 TargetOffset;
1005         __le32 Length;
1006         __le32 Reserved;
1007 } __packed;
1008
1009 struct copychunk_ioctl_rsp {
1010         __le32 ChunksWritten;
1011         __le32 ChunkBytesWritten;
1012         __le32 TotalBytesWritten;
1013 } __packed;
1014
1015 struct file_sparse {
1016         __u8    SetSparse;
1017 } __packed;
1018
1019 struct file_zero_data_information {
1020         __le64  FileOffset;
1021         __le64  BeyondFinalZero;
1022 } __packed;
1023
1024 struct file_allocated_range_buffer {
1025         __le64  file_offset;
1026         __le64  length;
1027 } __packed;
1028
1029 struct reparse_data_buffer {
1030         __le32  ReparseTag;
1031         __le16  ReparseDataLength;
1032         __u16   Reserved;
1033         __u8    DataBuffer[]; /* Variable Length */
1034 } __packed;
1035
1036 /* Completion Filter flags for Notify */
1037 #define FILE_NOTIFY_CHANGE_FILE_NAME    0x00000001
1038 #define FILE_NOTIFY_CHANGE_DIR_NAME     0x00000002
1039 #define FILE_NOTIFY_CHANGE_NAME         0x00000003
1040 #define FILE_NOTIFY_CHANGE_ATTRIBUTES   0x00000004
1041 #define FILE_NOTIFY_CHANGE_SIZE         0x00000008
1042 #define FILE_NOTIFY_CHANGE_LAST_WRITE   0x00000010
1043 #define FILE_NOTIFY_CHANGE_LAST_ACCESS  0x00000020
1044 #define FILE_NOTIFY_CHANGE_CREATION     0x00000040
1045 #define FILE_NOTIFY_CHANGE_EA           0x00000080
1046 #define FILE_NOTIFY_CHANGE_SECURITY     0x00000100
1047 #define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
1048 #define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
1049 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1050
1051 /* Flags */
1052 #define SMB2_WATCH_TREE 0x0001
1053
1054 struct smb2_notify_req {
1055         struct smb2_hdr hdr;
1056         __le16 StructureSize; /* Must be 32 */
1057         __le16 Flags;
1058         __le32 OutputBufferLength;
1059         __le64 PersistentFileId;
1060         __le64 VolatileFileId;
1061         __u32 CompletionFileter;
1062         __u32 Reserved;
1063 } __packed;
1064
1065 struct smb2_notify_rsp {
1066         struct smb2_hdr hdr;
1067         __le16 StructureSize; /* Must be 9 */
1068         __le16 OutputBufferOffset;
1069         __le32 OutputBufferLength;
1070         __u8 Buffer[1];
1071 } __packed;
1072
1073 /* SMB2 Notify Action Flags */
1074 #define FILE_ACTION_ADDED               0x00000001
1075 #define FILE_ACTION_REMOVED             0x00000002
1076 #define FILE_ACTION_MODIFIED            0x00000003
1077 #define FILE_ACTION_RENAMED_OLD_NAME    0x00000004
1078 #define FILE_ACTION_RENAMED_NEW_NAME    0x00000005
1079 #define FILE_ACTION_ADDED_STREAM        0x00000006
1080 #define FILE_ACTION_REMOVED_STREAM      0x00000007
1081 #define FILE_ACTION_MODIFIED_STREAM     0x00000008
1082 #define FILE_ACTION_REMOVED_BY_DELETE   0x00000009
1083
1084 #define SMB2_LOCKFLAG_SHARED            0x0001
1085 #define SMB2_LOCKFLAG_EXCLUSIVE         0x0002
1086 #define SMB2_LOCKFLAG_UNLOCK            0x0004
1087 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY  0x0010
1088 #define SMB2_LOCKFLAG_MASK              0x0007
1089
1090 struct smb2_lock_element {
1091         __le64 Offset;
1092         __le64 Length;
1093         __le32 Flags;
1094         __le32 Reserved;
1095 } __packed;
1096
1097 struct smb2_lock_req {
1098         struct smb2_hdr hdr;
1099         __le16 StructureSize; /* Must be 48 */
1100         __le16 LockCount;
1101         __le32 Reserved;
1102         __le64  PersistentFileId;
1103         __le64  VolatileFileId;
1104         /* Followed by at least one */
1105         struct smb2_lock_element locks[1];
1106 } __packed;
1107
1108 struct smb2_lock_rsp {
1109         struct smb2_hdr hdr;
1110         __le16 StructureSize; /* Must be 4 */
1111         __le16 Reserved;
1112 } __packed;
1113
1114 struct smb2_echo_req {
1115         struct smb2_hdr hdr;
1116         __le16 StructureSize;   /* Must be 4 */
1117         __u16  Reserved;
1118 } __packed;
1119
1120 struct smb2_echo_rsp {
1121         struct smb2_hdr hdr;
1122         __le16 StructureSize;   /* Must be 4 */
1123         __u16  Reserved;
1124 } __packed;
1125
1126 /* search (query_directory) Flags field */
1127 #define SMB2_RESTART_SCANS              0x01
1128 #define SMB2_RETURN_SINGLE_ENTRY        0x02
1129 #define SMB2_INDEX_SPECIFIED            0x04
1130 #define SMB2_REOPEN                     0x10
1131
1132 struct smb2_query_directory_req {
1133         struct smb2_hdr hdr;
1134         __le16 StructureSize; /* Must be 33 */
1135         __u8   FileInformationClass;
1136         __u8   Flags;
1137         __le32 FileIndex;
1138         __le64  PersistentFileId;
1139         __le64  VolatileFileId;
1140         __le16 FileNameOffset;
1141         __le16 FileNameLength;
1142         __le32 OutputBufferLength;
1143         __u8   Buffer[1];
1144 } __packed;
1145
1146 struct smb2_query_directory_rsp {
1147         struct smb2_hdr hdr;
1148         __le16 StructureSize; /* Must be 9 */
1149         __le16 OutputBufferOffset;
1150         __le32 OutputBufferLength;
1151         __u8   Buffer[1];
1152 } __packed;
1153
1154 /* Possible InfoType values */
1155 #define SMB2_O_INFO_FILE        0x01
1156 #define SMB2_O_INFO_FILESYSTEM  0x02
1157 #define SMB2_O_INFO_SECURITY    0x03
1158 #define SMB2_O_INFO_QUOTA       0x04
1159
1160 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
1161 #define OWNER_SECINFO   0x00000001
1162 #define GROUP_SECINFO   0x00000002
1163 #define DACL_SECINFO   0x00000004
1164 #define SACL_SECINFO   0x00000008
1165 #define LABEL_SECINFO   0x00000010
1166 #define ATTRIBUTE_SECINFO   0x00000020
1167 #define SCOPE_SECINFO   0x00000040
1168 #define BACKUP_SECINFO   0x00010000
1169 #define UNPROTECTED_SACL_SECINFO   0x10000000
1170 #define UNPROTECTED_DACL_SECINFO   0x20000000
1171 #define PROTECTED_SACL_SECINFO   0x40000000
1172 #define PROTECTED_DACL_SECINFO   0x80000000
1173
1174 struct smb2_query_info_req {
1175         struct smb2_hdr hdr;
1176         __le16 StructureSize; /* Must be 41 */
1177         __u8   InfoType;
1178         __u8   FileInfoClass;
1179         __le32 OutputBufferLength;
1180         __le16 InputBufferOffset;
1181         __u16  Reserved;
1182         __le32 InputBufferLength;
1183         __le32 AdditionalInformation;
1184         __le32 Flags;
1185         __le64  PersistentFileId;
1186         __le64  VolatileFileId;
1187         __u8   Buffer[1];
1188 } __packed;
1189
1190 struct smb2_query_info_rsp {
1191         struct smb2_hdr hdr;
1192         __le16 StructureSize; /* Must be 9 */
1193         __le16 OutputBufferOffset;
1194         __le32 OutputBufferLength;
1195         __u8   Buffer[1];
1196 } __packed;
1197
1198 struct smb2_set_info_req {
1199         struct smb2_hdr hdr;
1200         __le16 StructureSize; /* Must be 33 */
1201         __u8   InfoType;
1202         __u8   FileInfoClass;
1203         __le32 BufferLength;
1204         __le16 BufferOffset;
1205         __u16  Reserved;
1206         __le32 AdditionalInformation;
1207         __le64  PersistentFileId;
1208         __le64  VolatileFileId;
1209         __u8   Buffer[1];
1210 } __packed;
1211
1212 struct smb2_set_info_rsp {
1213         struct smb2_hdr hdr;
1214         __le16 StructureSize; /* Must be 2 */
1215 } __packed;
1216
1217 /* FILE Info response size */
1218 #define FILE_DIRECTORY_INFORMATION_SIZE       1
1219 #define FILE_FULL_DIRECTORY_INFORMATION_SIZE  2
1220 #define FILE_BOTH_DIRECTORY_INFORMATION_SIZE  3
1221 #define FILE_BASIC_INFORMATION_SIZE           40
1222 #define FILE_STANDARD_INFORMATION_SIZE        24
1223 #define FILE_INTERNAL_INFORMATION_SIZE        8
1224 #define FILE_EA_INFORMATION_SIZE              4
1225 #define FILE_ACCESS_INFORMATION_SIZE          4
1226 #define FILE_NAME_INFORMATION_SIZE            9
1227 #define FILE_RENAME_INFORMATION_SIZE          10
1228 #define FILE_LINK_INFORMATION_SIZE            11
1229 #define FILE_NAMES_INFORMATION_SIZE           12
1230 #define FILE_DISPOSITION_INFORMATION_SIZE     13
1231 #define FILE_POSITION_INFORMATION_SIZE        14
1232 #define FILE_FULL_EA_INFORMATION_SIZE         15
1233 #define FILE_MODE_INFORMATION_SIZE            4
1234 #define FILE_ALIGNMENT_INFORMATION_SIZE       4
1235 #define FILE_ALL_INFORMATION_SIZE             104
1236 #define FILE_ALLOCATION_INFORMATION_SIZE      19
1237 #define FILE_END_OF_FILE_INFORMATION_SIZE     20
1238 #define FILE_ALTERNATE_NAME_INFORMATION_SIZE  8
1239 #define FILE_STREAM_INFORMATION_SIZE          32
1240 #define FILE_PIPE_INFORMATION_SIZE            23
1241 #define FILE_PIPE_LOCAL_INFORMATION_SIZE      24
1242 #define FILE_PIPE_REMOTE_INFORMATION_SIZE     25
1243 #define FILE_MAILSLOT_QUERY_INFORMATION_SIZE  26
1244 #define FILE_MAILSLOT_SET_INFORMATION_SIZE    27
1245 #define FILE_COMPRESSION_INFORMATION_SIZE     16
1246 #define FILE_OBJECT_ID_INFORMATION_SIZE       29
1247 /* Number 30 not defined in documents */
1248 #define FILE_MOVE_CLUSTER_INFORMATION_SIZE    31
1249 #define FILE_QUOTA_INFORMATION_SIZE           32
1250 #define FILE_REPARSE_POINT_INFORMATION_SIZE   33
1251 #define FILE_NETWORK_OPEN_INFORMATION_SIZE    56
1252 #define FILE_ATTRIBUTE_TAG_INFORMATION_SIZE   8
1253
1254 /* FS Info response  size */
1255 #define FS_DEVICE_INFORMATION_SIZE     8
1256 #define FS_ATTRIBUTE_INFORMATION_SIZE  16
1257 #define FS_VOLUME_INFORMATION_SIZE     24
1258 #define FS_SIZE_INFORMATION_SIZE       24
1259 #define FS_FULL_SIZE_INFORMATION_SIZE  32
1260 #define FS_SECTOR_SIZE_INFORMATION_SIZE 28
1261 #define FS_OBJECT_ID_INFORMATION_SIZE 64
1262 #define FS_CONTROL_INFORMATION_SIZE 48
1263 #define FS_POSIX_INFORMATION_SIZE 56
1264
1265 /* FS_ATTRIBUTE_File_System_Name */
1266 #define FS_TYPE_SUPPORT_SIZE   44
1267 struct fs_type_info {
1268         char            *fs_name;
1269         long            magic_number;
1270 } __packed;
1271
1272 struct smb2_oplock_break {
1273         struct smb2_hdr hdr;
1274         __le16 StructureSize; /* Must be 24 */
1275         __u8   OplockLevel;
1276         __u8   Reserved;
1277         __le32 Reserved2;
1278         __le64  PersistentFid;
1279         __le64  VolatileFid;
1280 } __packed;
1281
1282 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
1283
1284 struct smb2_lease_break {
1285         struct smb2_hdr hdr;
1286         __le16 StructureSize; /* Must be 44 */
1287         __le16 Epoch;
1288         __le32 Flags;
1289         __u8   LeaseKey[16];
1290         __le32 CurrentLeaseState;
1291         __le32 NewLeaseState;
1292         __le32 BreakReason;
1293         __le32 AccessMaskHint;
1294         __le32 ShareMaskHint;
1295 } __packed;
1296
1297 struct smb2_lease_ack {
1298         struct smb2_hdr hdr;
1299         __le16 StructureSize; /* Must be 36 */
1300         __le16 Reserved;
1301         __le32 Flags;
1302         __u8   LeaseKey[16];
1303         __le32 LeaseState;
1304         __le64 LeaseDuration;
1305 } __packed;
1306
1307 /*
1308  *      PDU infolevel structure definitions
1309  *      BB consider moving to a different header
1310  */
1311
1312 /* File System Information Classes */
1313 #define FS_VOLUME_INFORMATION           1 /* Query */
1314 #define FS_LABEL_INFORMATION            2 /* Set */
1315 #define FS_SIZE_INFORMATION             3 /* Query */
1316 #define FS_DEVICE_INFORMATION           4 /* Query */
1317 #define FS_ATTRIBUTE_INFORMATION        5 /* Query */
1318 #define FS_CONTROL_INFORMATION          6 /* Query, Set */
1319 #define FS_FULL_SIZE_INFORMATION        7 /* Query */
1320 #define FS_OBJECT_ID_INFORMATION        8 /* Query, Set */
1321 #define FS_DRIVER_PATH_INFORMATION      9 /* Query */
1322 #define FS_SECTOR_SIZE_INFORMATION      11 /* SMB3 or later. Query */
1323 #define FS_POSIX_INFORMATION            100 /* SMB3.1.1 POSIX. Query */
1324
1325 struct smb2_fs_full_size_info {
1326         __le64 TotalAllocationUnits;
1327         __le64 CallerAvailableAllocationUnits;
1328         __le64 ActualAvailableAllocationUnits;
1329         __le32 SectorsPerAllocationUnit;
1330         __le32 BytesPerSector;
1331 } __packed;
1332
1333 #define SSINFO_FLAGS_ALIGNED_DEVICE             0x00000001
1334 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
1335 #define SSINFO_FLAGS_NO_SEEK_PENALTY            0x00000004
1336 #define SSINFO_FLAGS_TRIM_ENABLED               0x00000008
1337
1338 /* sector size info struct */
1339 struct smb3_fs_ss_info {
1340         __le32 LogicalBytesPerSector;
1341         __le32 PhysicalBytesPerSectorForAtomicity;
1342         __le32 PhysicalBytesPerSectorForPerf;
1343         __le32 FSEffPhysicalBytesPerSectorForAtomicity;
1344         __le32 Flags;
1345         __le32 ByteOffsetForSectorAlignment;
1346         __le32 ByteOffsetForPartitionAlignment;
1347 } __packed;
1348
1349 /* File System Control Information */
1350 struct smb2_fs_control_info {
1351         __le64 FreeSpaceStartFiltering;
1352         __le64 FreeSpaceThreshold;
1353         __le64 FreeSpaceStopFiltering;
1354         __le64 DefaultQuotaThreshold;
1355         __le64 DefaultQuotaLimit;
1356         __le32 FileSystemControlFlags;
1357         __le32 Padding;
1358 } __packed;
1359
1360 /* partial list of QUERY INFO levels */
1361 #define FILE_DIRECTORY_INFORMATION      1
1362 #define FILE_FULL_DIRECTORY_INFORMATION 2
1363 #define FILE_BOTH_DIRECTORY_INFORMATION 3
1364 #define FILE_BASIC_INFORMATION          4
1365 #define FILE_STANDARD_INFORMATION       5
1366 #define FILE_INTERNAL_INFORMATION       6
1367 #define FILE_EA_INFORMATION             7
1368 #define FILE_ACCESS_INFORMATION         8
1369 #define FILE_NAME_INFORMATION           9
1370 #define FILE_RENAME_INFORMATION         10
1371 #define FILE_LINK_INFORMATION           11
1372 #define FILE_NAMES_INFORMATION          12
1373 #define FILE_DISPOSITION_INFORMATION    13
1374 #define FILE_POSITION_INFORMATION       14
1375 #define FILE_FULL_EA_INFORMATION        15
1376 #define FILE_MODE_INFORMATION           16
1377 #define FILE_ALIGNMENT_INFORMATION      17
1378 #define FILE_ALL_INFORMATION            18
1379 #define FILE_ALLOCATION_INFORMATION     19
1380 #define FILE_END_OF_FILE_INFORMATION    20
1381 #define FILE_ALTERNATE_NAME_INFORMATION 21
1382 #define FILE_STREAM_INFORMATION         22
1383 #define FILE_PIPE_INFORMATION           23
1384 #define FILE_PIPE_LOCAL_INFORMATION     24
1385 #define FILE_PIPE_REMOTE_INFORMATION    25
1386 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1387 #define FILE_MAILSLOT_SET_INFORMATION   27
1388 #define FILE_COMPRESSION_INFORMATION    28
1389 #define FILE_OBJECT_ID_INFORMATION      29
1390 /* Number 30 not defined in documents */
1391 #define FILE_MOVE_CLUSTER_INFORMATION   31
1392 #define FILE_QUOTA_INFORMATION          32
1393 #define FILE_REPARSE_POINT_INFORMATION  33
1394 #define FILE_NETWORK_OPEN_INFORMATION   34
1395 #define FILE_ATTRIBUTE_TAG_INFORMATION  35
1396 #define FILE_TRACKING_INFORMATION       36
1397 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1398 #define FILEID_FULL_DIRECTORY_INFORMATION 38
1399 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1400 #define FILE_SHORT_NAME_INFORMATION     40
1401 #define FILE_SFIO_RESERVE_INFORMATION   44
1402 #define FILE_SFIO_VOLUME_INFORMATION    45
1403 #define FILE_HARD_LINK_INFORMATION      46
1404 #define FILE_NORMALIZED_NAME_INFORMATION 48
1405 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1406 #define FILE_STANDARD_LINK_INFORMATION  54
1407
1408 #define OP_BREAK_STRUCT_SIZE_20         24
1409 #define OP_BREAK_STRUCT_SIZE_21         36
1410
1411 struct smb2_file_access_info {
1412         __le32 AccessFlags;
1413 } __packed;
1414
1415 struct smb2_file_alignment_info {
1416         __le32 AlignmentRequirement;
1417 } __packed;
1418
1419 struct smb2_file_internal_info {
1420         __le64 IndexNumber;
1421 } __packed; /* level 6 Query */
1422
1423 struct smb2_file_rename_info { /* encoding of request for level 10 */
1424         __u8   ReplaceIfExists; /* 1 = replace existing target with new */
1425                                 /* 0 = fail if target already exists */
1426         __u8   Reserved[7];
1427         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1428         __le32 FileNameLength;
1429         char   FileName[0];     /* New name to be assigned */
1430 } __packed; /* level 10 Set */
1431
1432 struct smb2_file_link_info { /* encoding of request for level 11 */
1433         __u8   ReplaceIfExists; /* 1 = replace existing link with new */
1434                                 /* 0 = fail if link already exists */
1435         __u8   Reserved[7];
1436         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1437         __le32 FileNameLength;
1438         char   FileName[0];     /* Name to be assigned to new link */
1439 } __packed; /* level 11 Set */
1440
1441 /*
1442  * This level 18, although with struct with same name is different from cifs
1443  * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1444  * CurrentByteOffset.
1445  */
1446 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1447         __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
1448         __le64 LastAccessTime;
1449         __le64 LastWriteTime;
1450         __le64 ChangeTime;
1451         __le32 Attributes;
1452         __u32  Pad1;            /* End of FILE_BASIC_INFO_INFO equivalent */
1453         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1454         __le64 EndOfFile;       /* size ie offset to first free byte in file */
1455         __le32 NumberOfLinks;   /* hard links */
1456         __u8   DeletePending;
1457         __u8   Directory;
1458         __u16  Pad2;            /* End of FILE_STANDARD_INFO equivalent */
1459         __le64 IndexNumber;
1460         __le32 EASize;
1461         __le32 AccessFlags;
1462         __le64 CurrentByteOffset;
1463         __le32 Mode;
1464         __le32 AlignmentRequirement;
1465         __le32 FileNameLength;
1466         char   FileName[1];
1467 } __packed; /* level 18 Query */
1468
1469 struct smb2_file_basic_info { /* data block encoding of response to level 18 */
1470         __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
1471         __le64 LastAccessTime;
1472         __le64 LastWriteTime;
1473         __le64 ChangeTime;
1474         __le32 Attributes;
1475         __u32  Pad1;            /* End of FILE_BASIC_INFO_INFO equivalent */
1476 } __packed;
1477
1478 struct smb2_file_alt_name_info {
1479         __le32 FileNameLength;
1480         char FileName[0];
1481 } __packed;
1482
1483 struct smb2_file_stream_info {
1484         __le32  NextEntryOffset;
1485         __le32  StreamNameLength;
1486         __le64 StreamSize;
1487         __le64 StreamAllocationSize;
1488         char   StreamName[0];
1489 } __packed;
1490
1491 struct smb2_file_eof_info { /* encoding of request for level 10 */
1492         __le64 EndOfFile; /* new end of file value */
1493 } __packed; /* level 20 Set */
1494
1495 struct smb2_file_ntwrk_info {
1496         __le64 CreationTime;
1497         __le64 LastAccessTime;
1498         __le64 LastWriteTime;
1499         __le64 ChangeTime;
1500         __le64 AllocationSize;
1501         __le64 EndOfFile;
1502         __le32 Attributes;
1503         __le32 Reserved;
1504 } __packed;
1505
1506 struct smb2_file_standard_info {
1507         __le64 AllocationSize;
1508         __le64 EndOfFile;
1509         __le32 NumberOfLinks;   /* hard links */
1510         __u8   DeletePending;
1511         __u8   Directory;
1512         __le16 Reserved;
1513 } __packed; /* level 18 Query */
1514
1515 struct smb2_file_ea_info {
1516         __le32 EASize;
1517 } __packed;
1518
1519 struct smb2_file_alloc_info {
1520         __le64 AllocationSize;
1521 } __packed;
1522
1523 struct smb2_file_disposition_info {
1524         __u8 DeletePending;
1525 } __packed;
1526
1527 struct smb2_file_pos_info {
1528         __le64 CurrentByteOffset;
1529 } __packed;
1530
1531 #define FILE_MODE_INFO_MASK cpu_to_le32(0x0000103e)
1532
1533 struct smb2_file_mode_info {
1534         __le32 Mode;
1535 } __packed;
1536
1537 #define COMPRESSION_FORMAT_NONE 0x0000
1538 #define COMPRESSION_FORMAT_LZNT1 0x0002
1539
1540 struct smb2_file_comp_info {
1541         __le64 CompressedFileSize;
1542         __le16 CompressionFormat;
1543         __u8 CompressionUnitShift;
1544         __u8 ChunkShift;
1545         __u8 ClusterShift;
1546         __u8 Reserved[3];
1547 } __packed;
1548
1549 struct smb2_file_attr_tag_info {
1550         __le32 FileAttributes;
1551         __le32 ReparseTag;
1552 } __packed;
1553
1554 #define SL_RESTART_SCAN 0x00000001
1555 #define SL_RETURN_SINGLE_ENTRY  0x00000002
1556 #define SL_INDEX_SPECIFIED      0x00000004
1557
1558 struct smb2_ea_info_req {
1559         __le32 NextEntryOffset;
1560         __u8   EaNameLength;
1561         char name[1];
1562 } __packed; /* level 15 Query */
1563
1564 struct smb2_ea_info {
1565         __le32 NextEntryOffset;
1566         __u8   Flags;
1567         __u8   EaNameLength;
1568         __le16 EaValueLength;
1569         char name[1];
1570         /* optionally followed by value */
1571 } __packed; /* level 15 Query */
1572
1573 struct create_ea_buf_req {
1574         struct create_context ccontext;
1575         __u8   Name[8];
1576         struct smb2_ea_info ea;
1577 } __packed;
1578
1579 struct create_sd_buf_req {
1580         struct create_context ccontext;
1581         __u8   Name[8];
1582         struct smb_ntsd ntsd;
1583 } __packed;
1584
1585 /* Find File infolevels */
1586 #define SMB_FIND_FILE_POSIX_INFO        0x064
1587
1588 /* Level 100 query info */
1589 struct smb311_posix_qinfo {
1590         __le64 CreationTime;
1591         __le64 LastAccessTime;
1592         __le64 LastWriteTime;
1593         __le64 ChangeTime;
1594         __le64 EndOfFile;
1595         __le64 AllocationSize;
1596         __le32 DosAttributes;
1597         __le64 Inode;
1598         __le32 DeviceId;
1599         __le32 Zero;
1600         /* beginning of POSIX Create Context Response */
1601         __le32 HardLinks;
1602         __le32 ReparseTag;
1603         __le32 Mode;
1604         u8     Sids[];
1605         /*
1606          * var sized owner SID
1607          * var sized group SID
1608          * le32 filenamelength
1609          * u8  filename[]
1610          */
1611 } __packed;
1612
1613 struct smb2_posix_info {
1614         __le32 NextEntryOffset;
1615         __u32 Ignored;
1616         __le64 CreationTime;
1617         __le64 LastAccessTime;
1618         __le64 LastWriteTime;
1619         __le64 ChangeTime;
1620         __le64 EndOfFile;
1621         __le64 AllocationSize;
1622         __le32 DosAttributes;
1623         __le64 Inode;
1624         __le32 DeviceId;
1625         __le32 Zero;
1626         /* beginning of POSIX Create Context Response */
1627         __le32 HardLinks;
1628         __le32 ReparseTag;
1629         __le32 Mode;
1630         u8 SidBuffer[40];
1631         __le32 name_len;
1632         u8 name[1];
1633         /*
1634          * var sized owner SID
1635          * var sized group SID
1636          * le32 filenamelength
1637          * u8  filename[]
1638          */
1639 } __packed;
1640
1641 /* functions */
1642 void init_smb2_1_server(struct ksmbd_conn *conn);
1643 void init_smb3_0_server(struct ksmbd_conn *conn);
1644 void init_smb3_02_server(struct ksmbd_conn *conn);
1645 int init_smb3_11_server(struct ksmbd_conn *conn);
1646
1647 void init_smb2_max_read_size(unsigned int sz);
1648 void init_smb2_max_write_size(unsigned int sz);
1649 void init_smb2_max_trans_size(unsigned int sz);
1650
1651 bool is_smb2_neg_cmd(struct ksmbd_work *work);
1652 bool is_smb2_rsp(struct ksmbd_work *work);
1653
1654 u16 get_smb2_cmd_val(struct ksmbd_work *work);
1655 void set_smb2_rsp_status(struct ksmbd_work *work, __le32 err);
1656 int init_smb2_rsp_hdr(struct ksmbd_work *work);
1657 int smb2_allocate_rsp_buf(struct ksmbd_work *work);
1658 bool is_chained_smb2_message(struct ksmbd_work *work);
1659 int init_smb2_neg_rsp(struct ksmbd_work *work);
1660 void smb2_set_err_rsp(struct ksmbd_work *work);
1661 int smb2_check_user_session(struct ksmbd_work *work);
1662 int smb2_get_ksmbd_tcon(struct ksmbd_work *work);
1663 bool smb2_is_sign_req(struct ksmbd_work *work, unsigned int command);
1664 int smb2_check_sign_req(struct ksmbd_work *work);
1665 void smb2_set_sign_rsp(struct ksmbd_work *work);
1666 int smb3_check_sign_req(struct ksmbd_work *work);
1667 void smb3_set_sign_rsp(struct ksmbd_work *work);
1668 int find_matching_smb2_dialect(int start_index, __le16 *cli_dialects,
1669                                __le16 dialects_count);
1670 struct file_lock *smb_flock_init(struct file *f);
1671 int setup_async_work(struct ksmbd_work *work, void (*fn)(void **),
1672                      void **arg);
1673 void smb2_send_interim_resp(struct ksmbd_work *work, __le32 status);
1674 struct channel *lookup_chann_list(struct ksmbd_session *sess,
1675                                   struct ksmbd_conn *conn);
1676 void smb3_preauth_hash_rsp(struct ksmbd_work *work);
1677 bool smb3_is_transform_hdr(void *buf);
1678 int smb3_decrypt_req(struct ksmbd_work *work);
1679 int smb3_encrypt_resp(struct ksmbd_work *work);
1680 bool smb3_11_final_sess_setup_resp(struct ksmbd_work *work);
1681 int smb2_set_rsp_credits(struct ksmbd_work *work);
1682
1683 /* smb2 misc functions */
1684 int ksmbd_smb2_check_message(struct ksmbd_work *work);
1685
1686 /* smb2 command handlers */
1687 int smb2_handle_negotiate(struct ksmbd_work *work);
1688 int smb2_negotiate_request(struct ksmbd_work *work);
1689 int smb2_sess_setup(struct ksmbd_work *work);
1690 int smb2_tree_connect(struct ksmbd_work *work);
1691 int smb2_tree_disconnect(struct ksmbd_work *work);
1692 int smb2_session_logoff(struct ksmbd_work *work);
1693 int smb2_open(struct ksmbd_work *work);
1694 int smb2_query_info(struct ksmbd_work *work);
1695 int smb2_query_dir(struct ksmbd_work *work);
1696 int smb2_close(struct ksmbd_work *work);
1697 int smb2_echo(struct ksmbd_work *work);
1698 int smb2_set_info(struct ksmbd_work *work);
1699 int smb2_read(struct ksmbd_work *work);
1700 int smb2_write(struct ksmbd_work *work);
1701 int smb2_flush(struct ksmbd_work *work);
1702 int smb2_cancel(struct ksmbd_work *work);
1703 int smb2_lock(struct ksmbd_work *work);
1704 int smb2_ioctl(struct ksmbd_work *work);
1705 int smb2_oplock_break(struct ksmbd_work *work);
1706 int smb2_notify(struct ksmbd_work *ksmbd_work);
1707
1708 #endif  /* _SMB2PDU_H */